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Seborrheic Dermatitis Management, Scalp Care Tips
Blog May 17, 2025

Seborrheic Dermatitis Management, Scalp Care Tips

Dr. Yeonseung Choe
Dr. Yeonseung Choe
Chief Director

1. Why is my scalp constantly oily and flaky despite daily washing?

Have you ever felt your scalp was oily? Even after shampooing, white flakes are visible through your hair. It's stickier than just dandruff, sometimes appearing as yellowish, scabby patches. You haven't done anything particularly wrong, and it's not just on stressful days, but if you let your guard down even a little, it flares up again. Many people think seborrheic dermatitis is just a 'skin condition,' but it's actually closer to a physiological reaction of the scalp connected to your entire lifestyle.

2. Why management, not a cure, is necessary

The explanation that seborrheic dermatitis is caused by fungus is correct. The Malassezia fungus is key. But if it's just about the fungus, why are some people unaffected? This fungus causes problems when our body is 'out of balance.' When sebum production increases, the scalp becomes damp, and the body's defense system temporarily weakens, Malassezia takes hold. That's why this is a condition where management, not a cure, is important. Accepting that it can improve and then worsen again, and making that cycle less volatile – that's the fundamental approach to managing seborrheic dermatitis.

3. Shampooing: Not just about cleansing, but about not leaving residues

When something appears on the scalp, we instinctively want to wash it more often. We end up alternating between all sorts of shampoos – for oily hair, cooling shampoos, hair loss shampoos. However, seborrheic dermatitis should be managed in a way that minimizes irritation and residue. First, pH is important. Using a mildly acidic (low pH) shampoo, which is similar to the skin's natural state, can help avoid unnecessary degreasing and barrier damage. Products containing antifungal ingredients may also be necessary. For such products, it is effective to lather them up, leave them on for a short while, and then rinse them off, about 2-3 times a week. On other days, it's better to use low-irritation products that minimize stimulation. With shampooing, how you rinse and what you don't leave behind is far more important than how you wash.

4. Moisturizing isn't just about applying; it's about balancing

Many people ask, "If my scalp is oily, isn't it better not to moisturize?" While this sounds plausible, it's not entirely accurate. Seborrheic dermatitis is a condition where excessive sebum and barrier disruption coexist. Therefore, moisturizing is less about simply applying a product and more about restoring the skin's balance. You should choose water-based lotions or gel types rather than oily creams, and only use them as needed when your skin feels tight or dry. Specifically, you should avoid products containing fragrances, alcohol, and silicones as much as possible. It's easy to think the scalp is less sensitive than the face, but in a seborrheic state, it can react very sensitively.

5. Drying the scalp is as important as washing it

What many people miss here is drying. After washing your hair, if you don't dry your scalp properly, the remaining moisture and warmth create an ideal environment for Malassezia to thrive. Especially the habit of wrapping your hair in a towel immediately after washing, or letting it air dry, can worsen the condition as sebum and moisture mix. If you dislike the hot air from a hairdryer, choose cool or low-heat settings and thoroughly dry your scalp first; this makes a bigger difference than you might think.

6. Residue-free styling, products used sparingly

Having scalp inflammation doesn't mean you have to give up all products. The key for conditioners, waxes, and hair mists isn't to 'avoid using them' but to 'use them without touching the scalp' and 'without leaving residue.' Apply conditioner only to the mid-lengths and ends of your hair and rinse thoroughly; use waxes or gels without letting them touch the scalp roots, and always wash them off before bed. It's safer to avoid applying oils directly to the scalp. If necessary, use non-film-forming, hypoallergenic products only for a short duration.

Seborrheic dermatitis is not a condition that simply ends when it 'gets better.' When you're stressed, seasons change, or you have more sleepless nights, it flares up again, reverses, and becomes itchy again. However, if you constantly find yourself thinking, 'Here we go again' amidst these repetitions, not only your body but also your emotions can get caught in the vortex of this condition. Thus, this condition is not just a skin disease; it's a disease of routine, a disease of patterns. Washing, drying, applying, resting, avoiding. Even if repeating these daily routines feels tedious, that 'boring' rhythm becomes the skill that protects you.

#SeborrheicDermatitisManagement #SeborrheicScalpDermatitisManagement

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Dr. Yeonseung Choe

Dr. Yeonseung Choe Chief Director

Based on 15 years of clinical experience and precise data analysis, I present integrated healing solutions that restore the body's balance, covering everything from diet to intractable diseases.

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